20405122561

素因数分解:

${\mathrm{19}}^1\times {\mathrm{19541}}^1\times {\mathrm{54959}}^1$

素因数の和:74519

約数の個数: 8

約数和(自身を含む): 21480566400

約数和(自身を除く): 1075443839

約数列:

[1, 19, 19541, 54959, 371279, 1044221, 1073953819, 20405122561]

約数ペア:

[(1, 20405122561), (19, 1073953819), (19541, 1044221), (54959, 371279)]